A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5945-01-387-2713
NSN 5835-01-381-2683
NSN 6645-00-474-5689
NSN 5990-00-140-4559
NSN 6145-01-580-8059
NSN 2925-01-391-9247
NSN 5930-01-566-1331
NSN 5960-01-265-0354
NSN 5960-00-835-2575
NSN 2925-01-407-4958
NSN 6220-00-852-0367
NSN 5960-01-258-5615